Journal of Textile Research ›› 2020, Vol. 41 ›› Issue (01): 21-25.doi: 10.13475/j.fzxb.20181200106

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Properties of regenerated fibers from bamboo pulp / ionic liquid combined system

OUYANG Pengfei, ZHANG Yufang, JIA Chunzi, ZHANG Jiayu   

  1. School of Materials Design & Engineering, Beijing Institute of Fashion Technology, Beijing 100029, China
  • Received:2018-12-03 Revised:2019-09-29 Online:2020-01-15 Published:2020-01-14

Abstract:

In order to explore the influencing factors of regenerated fiber properties by ionic liquid method, the bamboo cellulose pulp was dissolved in an ionic liquid mixture of 1-allyl-3- methylimidazolium chloride ([AMIM]Ac), 1-butyl-3-methylimidazolium chloride ([BMIM]Ac)and the organic solvent of dimethyl sulfoxide (DMSO). The regenerated fiber was produced by wet spinning. The regenerated fiber was analyzed using electron microscopy, thermogravimetric analysis, X-ray diffraction and was tested for mechanical properties. The results show that when the DMSO content increases and the
ionic liquid content in the spinning dope decreases, the smoothness of the surface and thermal stability of the regenerated fiber would first increase and then decrease, and the mechanical properties would decrease. As the content of bamboo cellulose pulp is increased, the surface of the regenerated fiber filament become smoother, and the crystallinity, thermal stability, breaking strength and fiber diameter are increased. The regenerated fiber made from ionic liquid [AMIM]Ac has proven to offer improved performance.

Key words: ionic liquids, bamboo pulp, wet spinning, regenerated fiber

CLC Number: 

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